A High-Temperature Al–Ca Condensate in the Lunar Regolith

A. V. Mokhov; T. A. Gornostaeva; P. M. Kartashov; A. P. Rybchuk; O. A. Bogatikov

doi:10.1134/S1028334X1907016X

A High-Temperature Al–Ca Condensate in the Lunar Regolith

Authors: Mokhov A.V.¹, Gornostaeva T.A.¹, Kartashov P.M.¹, Rybchuk A.P.¹, Bogatikov O.A.¹
Affiliations:
1. Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences (IGEM RAS)
Issue: Vol 487, No 1 (2019)
Pages: 815-818
Section: Geochemistry
URL: https://journals.rcsi.science/1028-334X/article/view/195250
DOI: https://doi.org/10.1134/S1028334X1907016X
ID: 195250

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Abstract

For the first time, a high-temperature condensate in the form of two-component glass beads of about 200–400 nm size, consisting of an Al–Ca oxide core rimmed by a uniform oxide film of high-silica glass containing iron nano-inclusions, has been found in natural samples of the lunar regolith from Mare Crisium (Luna-24). Earlier, a high-temperature condensate was only theoretically predicted on the basis of laser evaporation experiments.